By Ileana Chinnici, Louise E Devoy and Fernando B Figueiredo Revealing observatory networks through object stories: Object itineraries By Emily Akkermans, Kelley Wilder and Samantha Thompson Revealing observatory networks through object stories: Instrumental networks By Alison Hess Book review: Curious Devices and Mighty Machines: Exploring Science Museums by Samuel J M M Alberti (Reaktion Books, 2022) By John Stack and Jamie Unwin The potential and pitfalls of machine learning in the Congruence Engine context By Asa Calow The future: reflections on emerging machine-learning methods for digital heritage By Simon Popple, Stefania Zardini Lacedelli, Arran J Rees, Stuart Prior and Maggie Smith Collaborative conversation as a method for exploring multiple perspectives on 'community' and forms of knowledge in the Congruence Engine By Jon Agar History of communications and the Congruence Engine: early thoughts and possibilities By Paul Craddock Connecting with industrial heritage collections using video production methods By Graeme Gooday, Kylea Little, Bernard Musesengwe and Cameron Tailford (Deceased) Energising connections in museum collections By Helen Graham and Arran J Rees Congruence Engine in action